package file;

import java.io.File;

public class FileDemo {
    public static void main(String[] args) {
        File file=new File("./demo1.1.1.111.txt");
        long len=file.length();
        System.out.println(len+"个字节");
        String name= file.getName();
        System.out.println("名字是"+name);
        boolean cr=file.canRead();
        System.out.println("是否可读:"+cr);
        boolean cw=file.canWrite();
        System.out.println("是否可写"+cw);
        boolean ih=file.isHidden();
        System.out.println("是否隐藏"+ih);

    }
}
